I don't completely know what I did, but it worked when I changed the 'form' setting (using the mod with Debug). For some reason, it was set to 1, while most mons are set to 0 if they don't have different forms (ei Vivillon). Someone else will have to fill in the why's, but it evolved right after it went to 0.......I would say sorry for wasting quite a few rare candies, but you are loaded with them.
Game.rxdata
@Pozyher It was. It wouldn't eat anything else. I even looked with debug and it was 255.